Medical Dictionary

therapeutic window

noun

medical Definition of therapeutic window

1 :the range of dosage of a drug or of its concentration in a bodily system that provides safe effective therapy
  • the narrow therapeutic window…the effect may go from therapeutic to toxic with an increase of just 10 micrograms per milliliter [in] blood concentration
  • —Lisa Davis
2 :a usually short time interval (as after a precipitating event) during which a particular therapy can be given safely and effectively
  • has a narrow therapeutic window: the drug must be given within three hours of a stroke in order to be effective
  • Genesis Report-RX

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